As its name implies, this is our Ultimate brake design for cross-country and light trail use packed it into a smaller, sleeker, lighter-weight and XC-optimized package. The carbon-fiber lever blade pulls crisp and clean, thanks to pivot bearings and our DirectLink™ design. And it maintains that feel throughout the ride because it is matched to our new two-piece, two-piston caliper. This caliper s superior heat management and smooth piston actuation give you braking power exactly when and how you need it. Requires TL6940, Bleeding Edge Tool, for performing any bleed work Forged body, Carbon lever blade, cartridge bearing lever pivot, Ti hardware Monobloc caliper has Heat Shield feature to reduce brake fade, 21mm pistons and adjustable hose routing Bleeding Edge design for easier maintenance Includes aluminum-backed organic pads Power for today s demanding race courses